Evidence map›Paper›PMID 42593339›Full record

ArticleThe journal of physical chemistry letters2026

Crossing the Widom Line: Evolution of Cohesive Strength and Cavity Formation in Supercritical Water.

Jiacheng Niu, Qiuyang Zhao, Michael J Adams, Hao Lu, Yin Chen, Xinjian Wang, Hui Jin, Liejin Guo

Abstract read
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Article in The journal of physical chemistry letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Jiacheng NiuState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi710049, People's Republic of China.
Qiuyang ZhaoState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi710049, People's Republic of China.ORCID 0000-0003-2087-6416
Michael J AdamsSchool of Chemical Engineering, University of Birmingham, BirminghamB15 2TT, United Kingdom.
Hao LuState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi710049, People's Republic of China.
Yin ChenState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi710049, People's Republic of China.
Xinjian WangState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi710049, People's Republic of China.
Hui JinState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi710049, People's Republic of China.ORCID 0000-0001-9216-7921
Liejin GuoState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi710049, People's Republic of China.

Funding

Fundamental Research Funds for the Central Universities NAMinistry of Education of the People's Republic of China SRICSPYF-BS2025027National Natural Science Foundation of China 52376146National Natural Science Foundation of China 52488201
6 · The paper itself

Abstract

Supercritical water (SCW) is a promising green solvent, yet optimizing its performance requires a fundamental understanding of the thermodynamic behavior and solvation mechanisms. Here, molecular dynamics simulations are used to investigate the thermodynamic responses, cohesive-strength evolution, and cavity-formation behavior of SCW along isobars, with the NIST benchmark data serving as a reference for the classical Widom line (WL) behavior. The origin of the high-pressure WL divergence is analyzed from the perspective of statistical fluctuations and intermolecular interactions. Furthermore, cohesive energy density and the state-dependent mean-radius cavity-formation free energy, together with their corresponding thermal response coefficients, are introduced to establish a thermodynamic connection with the classical WL. Building on this connection, the high-pressure "Widom region" is delineated, and the thermodynamically driven evolution sequence along the isobaric heating path is revealed. This work provides a thermodynamic framework for understanding the evolution of the Widom region and its relevance to the solvation behavior of SCW.

Identifiers

PMID42593339
PMCPMC13488442

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.